/**
 * @param {Array} positions = [[114,30],[120,30]]
 * @param {Array} attr [{type:"string",value:"武汉",name:"name"}]
 * @param {Object} service ={name:"ig服务名称",layerId:"要素所在的图层"}
 * @param {object} docLayer  地图文档的图层
 */
const AREA_STYLE = {
    EndColor: 1,
    FillColor: 11,//填充色
    FillMode: 0,
    OutPenWidth: 1,
    OverMethod: 0,
    PatAngle: 1, PatColor: 1,
    PatHeight: 1,
    PatID: 0,//图案编号
    PatWidth: 1
}
class Area {
    static add({
        positions,
        attr,
        service,
        docLayer
    }) {
        var pointObj = positions.map(item => {
            return new Zondy.Object.Point2D(item[0], item[1]);
        })
        var gArc = new Zondy.Object.Arc(pointObj);
        //构成区要素折线
        var gAnyLine = new Zondy.Object.AnyLine([gArc]);
        //构成区要素
        var gRegion = new Zondy.Object.GRegion([gAnyLine]);
        //构成区要素的几何信息
        var fGeom = new Zondy.Object.FeatureGeometry({ RegGeom: [gRegion] });

        //设置区要素的图形参数信息
        var cRegionInfo = new Zondy.Object.CRegionInfo(AREA_STYLE);
        //要素图形参数信息
        var graphicInfo = new Zondy.Object.WebGraphicsInfo({
            InfoType: 3,
            RegInfo: cRegionInfo
        });

        /* 属性 */
        //设置区要素的属性信息
        var attValue = attr.map(item => item.value)

        //创建一个新的区要素
        var newFeature = new Zondy.Object.Feature({
            AttValue: attValue,
            fGeom: fGeom,
            GraphicInfo: graphicInfo
        });
        newFeature.setFType(3);
        /* 2、构建要素集 */
        //创建一个要素数据集
        var featureSet = new Zondy.Object.FeatureSet();
        var fldNumber = attr.length;
        var fldType = attr.map(item => item.type);
        var fldName = attr.map(item => item.name);
        var cAttValue = new Zondy.Object.CAttStruct({
            FldNumber: fldNumber, FldType: fldType, FldName: fldName
        });
        featureSet.AttStruct = cAttValue;
        featureSet.addFeature(newFeature);
        /* 3、调用服务执行添加 */
        var editDocFeature = new Zondy.Service.EditDocFeature(service.name, service.layerId, {

        });
        editDocFeature.add(featureSet, this.onPloySuccess(docLayer));
    }
    static onPloySuccess(docLayer) {
        return function (data) {
            if (data.succeed) {
                alert("添加区要素成功！");
                docLayer.refresh();
            } else {
                alert("添加区要素失败！");
            }
        }
    }
}